//#define _CRT_SECURE_NO_WARNINGS 1
//#include<stdio.h>
//
//#define OFFSETOF(type, name) (size_t)(&(((type*)0)->name))
//
//struct stu
//{
//	double name;
//	char age;
//	int tale;
//};
//
//int main()
//{
//	printf("%d\n", OFFSETOF(struct stu, name));
//	printf("%d\n", OFFSETOF(struct stu, age));
//	printf("%d\n", OFFSETOF(struct stu, tale));
//
//	return 0;
//}